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Super Precision Angular Contact Ball Bearings S71909 ACEGB/HCP4A

Super Precision Angular Contact Ball Bearings S71909 ACEGB/HCP4A

The S71909 ACEGB/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 2194 lbf.

This sealed unit comes pre-lubricated with grease, allowing it to reach speeds of 41,000 RPM. The phenolic cage enhances stability, while the P4A tolerance class guarantees high precision.

Its compact 12mm width and lightweight design (0.11kg) make it suitable for high-speed applications like spindles or machine tools. The bearing operates reliably in temperatures from -30°C to 110°C.

Designed for universal matching, it can be paired in back-to-back, face-to-face, or tandem arrangements. Interchangeable with SKF bearings, it’s a versatile choice for precision engineering needs.

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Product Parameters

  • Part Number S71909 ACEGB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2194 lbf
  • Static Radial Load 1440 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.11 kg
Super Precision Angular Contact Ball Bearings S71909 ACEGB/HCP4A dimension drawing
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Features

Performance Features of S71909 ACEGB/HCP4A Bearing

S71909 ACEGB/HCP4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls ensure smooth operation even at high speeds up to 41,000 rpm.

The phenolic cage maintains ball alignment, reducing friction and wear for extended performance.
With a dynamic radial load capacity of 2194 lbf, it delivers reliable strength in precision applications.

S71909 ACEGB/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication reduce maintenance needs while ensuring consistent performance.

The P4A tolerance class guarantees high precision, making it suitable for demanding tasks.
Its lightweight design at 0.11 kg ensures easy handling without compromising durability.

Application

Essential Roles of S71909 ACEGB/HCP4A Bearing
S71909 ACEGB/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat build-up. The 25° contact angle ensures stable performance under angular loads.

In robotics, S71909 ACEGB/HCP4A Bearing provides smooth motion control for precision arms and joints. Its P4A tolerance class guarantees consistent accuracy in repetitive tasks.

For medical imaging devices, S71909 ACEGB/HCP4A Bearing’s sealed design keeps contaminants out, maintaining hygiene standards. The grease lubrication ensures quiet operation in sensitive environments.

Automotive applications like electric motor shafts benefit from S71909 ACEGB/HCP4A Bearing’s lightweight construction. The ceramic balls help extend service life even at high rotational speeds.

In 3D printers, S71909 ACEGB/HCP4A Bearing’s precision reduces layer misalignment during printing. The chrome steel rings withstand constant movement without compromising detail.

Q&A

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